CVE-2021-27422

GE UR firmware 8.1x or later mitigates a vulnerability (CVE-2021-27422) where the web server interface, exposed over HTTP, can disclose sensitive information without authentication. Affected: GE UR family relays with prior-to-8.1x web server. Root cause: HTTP web server exposure allowing unauthen...

CVE-2021-27424

GE UR family devices running firmware prior to 8.1x expose a Last-key pressed MODBUS register that can disclose unauthorized information. The issue affects UR firmware versions before 8.1x (web server, MODBUS memory map exposure as part of the communications guide) and is reflected in CVE-2021-27...

CVE-2021-27420

CVE-2021-27420 affects GE UR firmware prior to 8.1x, where the web server improperly handles unsupported HTTP verbs, causing the web server to become temporarily unresponsive though the relay remains functional. The vulnerability is documented across multiple connected sources (e.g., Nessus plugi...

CVE-2021-27418

GE UR firmware prior to 8.1x exposes a web interface with read‑only access that does not properly validate user input and fails to HTML-encode user-supplied strings, enabling cross‑site scripting (CVE-2021-27418). Red Hat, NVD/NIST, and ICS references corroborate a web server input‑validation wea...

CVE-2021-27426

CVE-2021-27426 affects GE UR family UR IEDs; prior to firmware 8.1x with Basic security, the device does not allow disabling Factory Mode, enabling servicing by factory users. Root cause is an insecure default variable initialization (CWE-453). Impact per sources includes potential bypass of acce...

CVE-2021-27428

CVE-2021-27428 affects GE UR family UR IED firmware prior to 8.1x, where the UR Setup (Enervista UR Setup) firmware upgrade flow does not enforce appropriate privileges, allowing an illegitimate user to upgrade firmware. The weakness centers on Unrestricted Upload of a Dangerous Type; the vulnera...